He was very_____to go，but he had no choice.
A、readyC
reluctant“不愿的，勉强的”：“他非常不愿意去，但他别无选择”，所以，reluctant用的本句合适。hesitant“踌躇的，犹豫的”;ready“准备好的”;willing“愿意的”。
The girl who found the ring received a generous_____of five pounds.
Two-thirds of his property_____lost in the fire.
Yourbikeneeds_____.You‘dbetterdoirightnow.
Your bike needs_____.You ‘d better do i right now.
My wallet is nowhere to be found.I_____it when I was on the bus.
